diff options
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
| -rw-r--r-- | sound/soc/codecs/wm8731.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index 19844fc8cb1..56f54083874 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -46,6 +46,7 @@ struct wm8731_priv { struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES]; u16 reg_cache[WM8731_CACHEREGNUM]; unsigned int sysclk; + int sysclk_type; }; @@ -110,6 +111,7 @@ static const struct snd_kcontrol_new wm8731_input_mux_controls = SOC_DAPM_ENUM("Input Select", wm8731_enum[0]); static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = { +SND_SOC_DAPM_SUPPLY("OSC", WM8731_PWR, 5, 1, NULL, 0), SND_SOC_DAPM_MIXER("Output Mixer", WM8731_PWR, 4, 1, &wm8731_output_mixer_controls[0], ARRAY_SIZE(wm8731_output_mixer_controls)), @@ -127,7 +129,18 @@ SND_SOC_DAPM_INPUT("RLINEIN"), SND_SOC_DAPM_INPUT("LLINEIN"), }; +static int wm8731_check_osc(struct snd_soc_dapm_widget *source, + struct snd_soc_dapm_widget *sink) +{ + struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(source->codec); + + return wm8731->sysclk_type == WM8731_SYSCLK_MCLK; +} + static const struct snd_soc_dapm_route intercon[] = { + {"DAC", NULL, "OSC", wm8731_check_osc}, + {"ADC", NULL, "OSC", wm8731_check_osc}, + /* output mixer */ {"Output Mixer", "Line Bypass Switch", "Line Input"}, {"Output Mixer", "HiFi Playback Switch", "DAC"}, @@ -285,6 +298,15 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai, struct snd_soc_codec *codec = codec_dai->codec; struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); + switch (clk_id) { + case WM8731_SYSCLK_XTAL: + case WM8731_SYSCLK_MCLK: + wm8731->sysclk_type = clk_id; + break; + default: + return -EINVAL; + } + switch (freq) { case 11289600: case 12000000: @@ -292,9 +314,14 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai, case 16934400: case 18432000: wm8731->sysclk = freq; - return 0; + break; + default: + return -EINVAL; } - return -EINVAL; + + snd_soc_dapm_sync(codec); + + return 0; } |